.loader {
    position: fixed;
    z-index: 9999;
    background-color: rgba(255, 255, 255, 0.8);
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;

    .circle {
        position: relative;
        top: 30%;
        left: 50%;
    }
}